Created first draft of 'hyperion-d'.

include/hyperion/DispmanxWrapper.h

@@ -4,18 +4,30 @@
 #include <QObject>
 #include <QTimer>
 
-// Forward class declaration
-class ImageProcessor;
-class DispmanxFrameGrabber;
+// Utils includes
+#include <utils/RgbColor.h>
 
+// Forward class declaration
+class DispmanxFrameGrabber;
+class Hyperion;
+class ImageProcessor;
+
+///
+/// The DispmanxWrapper uses an instance of the DispmanxFrameGrabber to obtain RgbImage's from the
+/// displayed content. This RgbImage is processed to a RgbColor for each led and commmited to the
+/// attached Hyperion.
+///
 class DispmanxWrapper: public QObject
 {
 	Q_OBJECT
 public:
-	DispmanxWrapper();
+	DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion);
 
 	virtual ~DispmanxWrapper();
 
+signals:
+	void ledValues(const unsigned priority, const std::vector<RgbColor> ledColors, const unsigned timeout_ms);
+
 public slots:
 	void start();
 
@@ -24,9 +36,17 @@ public slots:
 	void stop();
 
 private:
+	const int _updateInterval_ms;
+	const int _timeout_ms;
+
+
 	QTimer _timer;
 
-	DispmanxFrameGrabber* _frameGrabber;
-	ImageProcessor* _processor;
+	DispmanxFrameGrabber * _frameGrabber;
+	ImageProcessor * _processor;
+
+	std::vector<RgbColor> _ledColors;
+
+	Hyperion * _hyperion;
 };
 

include/hyperion/Hyperion.h

@@ -20,7 +20,9 @@ public:
 
 	~Hyperion();
 
-	void setValue(int priority, std::vector<RgbColor> &ledColors);
+	unsigned getLedCount() const;
+
+	void setValue(int priority, std::vector<RgbColor> &ledColors, const int timeout_ms);
 
 private:
 	void applyTransform(std::vector<RgbColor>& colors) const;

include/utils/jsonschema/JsonSchemaChecker.h

@@ -1,11 +1,3 @@
-// Copyright (c) 2012 TNO, The Netherlands.
-//
-// This file contains information proprietary to TNO.
-//
-// Any disclosure or use of this information or any reproduction of this document or any part thereof for
-// other than the specified purpose for which it is intended is expressly prohibited except as TNO may
-// otherwise agree to in writing.
-
 #pragma once
 
 // stl includes

libsrc/hyperion/DispmanxWrapper.cpp

@@ -4,6 +4,7 @@
 
 // Hyperion includes
 #include <hyperion/DispmanxWrapper.h>
+#include <hyperion/Hyperion.h>
 #include <hyperion/ImageProcessorFactory.h>
 #include <hyperion/ImageProcessor.h>
 
@@ -11,39 +12,53 @@
 // Local-Hyperion includes
 #include "DispmanxFrameGrabber.h"
 
-DispmanxWrapper::DispmanxWrapper() :
+DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion) :
+	_updateInterval_ms(1000/updateRate_Hz),
+	_timeout_ms(2 * _updateInterval_ms),
 	_timer(),
-	_frameGrabber(new DispmanxFrameGrabber(64, 64)),
-	_processor(ImageProcessorFactory::getInstance().newImageProcessor())
+	_frameGrabber(new DispmanxFrameGrabber(grabWidth, grabHeight)),
+	_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
+	_ledColors(hyperion->getLedCount(), RgbColor::BLACK),
+	_hyperion(hyperion)
 {
-	_timer.setInterval(100);
+	// Configure the timer to generate events every n milliseconds
+	_timer.setInterval(_updateInterval_ms);
 	_timer.setSingleShot(false);
 
-	_processor->setSize(64, 64);
+	_processor->setSize(grabWidth, grabHeight);
 
+	// Connect the QTimer to this
 	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
 }
 
 DispmanxWrapper::~DispmanxWrapper()
 {
+	// Cleanup used resources (ImageProcessor and FrameGrabber)
 	delete _processor;
 	delete _frameGrabber;
 }
 
 void DispmanxWrapper::start()
 {
+	// Start the timer with the pre configured interval
 	_timer.start();
 }
 
 void DispmanxWrapper::action()
 {
-	qDebug() << "[" << QDateTime::currentDateTimeUtc() << "] Grabbing frame";
-	RgbImage image(64, 64);
+	// Obtain reference of the buffer-image used by the processor
+	RgbImage & image = _processor->image();
+
+	// Grab frame into the allocated image
 	_frameGrabber->grabFrame(image);
 
-	//_processor->
+	_processor->inplace_process(_ledColors);
+
+	const int _priority = 100;
+	_hyperion->setValue(_priority, _ledColors, _timeout_ms);
 }
 void DispmanxWrapper::stop()
 {
+	// Stop the timer, effectivly stopping the process
 	_timer.stop();
 }

libsrc/hyperion/Hyperion.cpp

@@ -89,7 +89,12 @@ Hyperion::~Hyperion()
 	delete mRedTransform;
 }
 
-void Hyperion::setValue(int priority, std::vector<RgbColor>& ledColors)
+unsigned Hyperion::getLedCount() const
+{
+	return mLedString.leds().size();
+}
+
+void Hyperion::setValue(int priority, std::vector<RgbColor>& ledColors, const int timeout_ms)
 {
 	// Apply the transform to each led and color-channel
 	for (RgbColor& color : ledColors)

src/hyperion-d.cpp

@@ -2,15 +2,33 @@
 // QT includes
 #include <QCoreApplication>
 
+// Json-Schema includes
+#include <utils/jsonschema/JsonFactory.h>
+
 // Hyperion includes
 #include <hyperion/DispmanxWrapper.h>
+#include <hyperion/Hyperion.h>
 
 int main(int argc, char** argv)
 {
 	QCoreApplication app(argc, argv);
 
+	// Select config and schema file
+	const std::string homeDir = getenv("RASPILIGHT_HOME");
+	const std::string schemaFile = homeDir + "/hyperion.schema.json";
+	const std::string configFile = homeDir + "/hyperion.config.json";
 
-	DispmanxWrapper dispmanx;
+	// Load configuration and check against the schema at the same time
+	Json::Value config;
+	if (JsonFactory::load(schemaFile, configFile, config) < 0)
+	{
+		std::cerr << "UNABLE TO LOAD CONFIGURATION" << std::endl;
+		return -1;
+	}
+
+	Hyperion hyperion(config);
+
+	DispmanxWrapper dispmanx(64, 64, 10, &hyperion);
 	dispmanx.start();
 
 	app.exec();